Permclip Products Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5059051 Fastener deviceExpiredDec 17, 90Oct 22, 91[B42F]
4869613 Combined sheet compressor and transfer device for attachment to spaced prongs of a file folder fastenerExpiredOct 05, 87Sep 26, 89[B42F]
4406725 Fastener bonding machineExpiredNov 06, 80Sep 27, 83[B42C]
4382708 Paper compressorExpiredFeb 19, 81May 10, 83[B42F]
4285104 Fastener deviceExpiredJun 21, 79Aug 25, 81[A44B]
4284227 Expansion folder with accordian-pleat backboneExpiredDec 13, 79Aug 18, 81[B42F, B65D]

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